hdu 3665 Seaside floyd+超级汇点】的更多相关文章

题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=3665 题意分析:以0为起点,求到Sea的最短路径. 所以可以N为超级汇点,使用floyd求0到N的最短路径. /*Seaside Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 1151 Accepted Submission(s): 839 P…
题意:给定一个图,你家在0,让你找出到沿海的最短路径. 析:由于这个题最多才10个点,那么就可以用Floyd算法,然后再搜一下哪一个是最短的. 代码如下: #pragma comment(linker, "/STACK:1024000000,1024000000") #include <cstdio> #include <string> #include <cstdlib> #include <cmath> #include <io…
Task Schedule Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 6000    Accepted Submission(s): 1922 Problem Description Our geometry princess XMM has stoped her study in computational geometry to…
Problem Description XiaoY is living in a big city, there are N towns in it and some towns near the sea. All these towns are numbered from 0 to N-1 and XiaoY lives in the town numbered '0'. There are some directed roads connecting them. It is guarante…
http://acm.hdu.edu.cn/showproblem.php?pid=1596 find the safest road Time Limit: 10000/5000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 6911    Accepted Submission(s): 2450 Problem Description XX星球有很多城市,每个城市之间有一条或…
链接:http://acm.hdu.edu.cn/showproblem.php?pid=1217 Arbitrage Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 4430    Accepted Submission(s): 2013 Problem Description Arbitrage is the use of discr…
http://acm.hdu.edu.cn/showproblem.php?pid=1869 六度分离 Time Limit: 5000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 4355    Accepted Submission(s): 1768 Problem Description 1967年,美国著名的社会学家斯坦利·米尔格兰姆提出了一个名为“小世界现象…
Arbitrage http://acm.hdu.edu.cn/showproblem.php?pid=1217 Problem Description Arbitrage is the use of discrepancies in currency exchange rates to transform one unit of a currency into more than one unit of the same currency. For example, suppose that…
Power Network Time Limit: 2000MS   Memory Limit: 32768K Total Submissions: 25514   Accepted: 13287 Description A power network consists of nodes (power stations, consumers and dispatchers) connected by power transport lines. A node u may be supplied…
题目链接: http://acm.hdu.edu.cn/showproblem.php?pid=4034 Problem Description Everyone knows how to calculate the shortest path in a directed graph. In fact, the opposite problem is also easy. Given the length of shortest path between each pair of vertexe…